Stephen Harriman Long

  • American


Colonel Stephen Harriman Long was a notable American explorer, military engineer and early advocate for professionalized civil engineering. Best known for his influential 1830 timber-truss patent, he helped shift US bridge building away from European masonry traditions toward lighter, economical, and easily repaired wooden spans. His work opened the door to timber trusses in early railway construction and marked a broader transition from craft-based building practices to the emerging discipline of trained civil engineers. - AsNotedIn

Lineage

Timeline

Y/M/D Description Association Composition Place Locale Food Event
Y/M/D Description Association Composition Place Locale Food Event
Architect Rowell's Covered Bridge Hopkinton, NH
1829/08/00 Jackson Covered Bridge is erected to carry the Baltimore-Washington Pike over the B and O Railroad in Baltimore. Replaced c 1870, it became the first US railway grade-separation crossing and began the shift from masonry to timber-truss spans. Engineer Rise of the American Bridge
1829/08/00 Stephen Long patents a wooden truss system notable for strength, permanence and easy repair, allowing damaged timbers to be replaced without dismantling the entire structure. Engineer Rise of the American Bridge
1852/00/00 US Marine Hospital in Natchez constructed between 1849 and 1852 Architect US Marine Hospital Natchez, MS
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